Finding the Fourth Proportional to 264,355.14, 396,574.02 and 86,821.68
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Solution
The fourth proportional to 264,355.14, 396,574.02 and 86,821.68 is: 130,246.09
Step by Step Solution
- Step 1: Write the proportion equation
264,355.14 : 396,574.02 = 86,821.68 : x - Step 2: Convert to fraction form
264,355.14/396,574.02 = 86,821.68/x - Step 3: Cross multiply
264,355.14x = 396,574.02 × 86,821.68 - Step 4: Simplify right side
264,355.14x = 34,431,222,660.75 - Step 5: Solve for x
x = 34,431,222,660.75/264,355.14 - Step 6: Final answer
x = 130,246.09
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.